CVE-2021-43785

Cross Site Scripting Vulnerability in @joeattardi/emoji-button

Description

@joeattardi/emoji-button is a Vanilla JavaScript emoji picker component. In affected versions there are two vectors for XSS attacks: a URL for a custom emoji, and an i18n string. In both of these cases, a value can be crafted such that it can insert a `script` tag into the page and execute malicious code.

Category

7.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.40%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: joeattardi emoji-button
Published at:
Updated at:

References

Link Tags
https://github.com/joeattardi/emoji-button/security/advisories/GHSA-f34m-x9pj-62vq third party advisory
https://github.com/joeattardi/emoji-button/commit/05970c09180cd27fff493e998ac5bf0468b1bb16 third party advisory patch
https://github.com/joeattardi/emoji-button/commit/fe54bef107eb3f74873a4018f2ff49fa124c6a2e third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-43785?
CVE-2021-43785 has been scored as a high severity vulnerability.
How to fix CVE-2021-43785?
To fix CVE-2021-43785, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43785 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43785 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43785?
CVE-2021-43785 affects joeattardi emoji-button.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.